#include <stdio.h>

int main()
{
	unsigned short int  a =  65539;     // 0 --65535 
//	a = a + 1;
	printf("%d\n",a);
	a = -1;
	printf("%d\n",a);
/*
1000 0000 0000 0001	
1111 1111 1111 1110
1111 1111 1111 1111
 ffff
*/


	
//	printf("%d\n",sizeof(int));
//	printf("%d\n",sizeof(short int));
//	printf("%d\n",sizeof(long int));
	
	return 0;
}

